. >> she walked quite a distance in a threatening environment. it's he very black out here, dark, and steep and brushy and there are coyotes in the background. >> harris: oh, my gosh, she was only nine, i mentioned that. by the time the emergency crews got it the crash, her dad was dead and that girl was taken to the hospital with minor injuries. and federal agents carrying out a massive sweep in california looking for laughing gas, raiding more than a dozen businesses suspected in a nitrous oxide ring. otherwise known as laughing gas. and users inhale the laughing gas to try to get a cheap and dangerous high. >> we have armed robberies conducted by gangs stealing the gas from each other, it can be taken home or to a large underground party, balloons are sold, $3, $10 a pop. and a lot of money to be made. >> and they took gas street value, 20 million dollars. >> a driver shot and killed outside of papa john's pizza. on this fox trip across america. oklahoma, police say the victim was unloading pizza dough from the back of his truck when his partn